Ball-cup-removing device



Patented Mar. 27, 1923.

UNITED STTES r ice.

EDWIN L. KNAPP, OF ANACORTES, WASHINGTON, ASSIGNOR OF ONE-HALF TO y BENJAMIN F. RONNEBERGER, 0F .ANACORTES, WASHINGTON.

BALL-CUP-REMOVING DEVICE.

Application led August 5, 1920. Serial No. 401,456.

To all lwhom t may concern.'

Be it known that I, EDWIN L. KNAPP, a citizen of the United States, residing at Anacortes, in the coimty of Skagit and State of l/Vashington, have invented certain new and useful Improvements in Ball-Cup- Removing Devices; and I do hereby declare the following to be a full, clear, and eXact description of thel invention, such as will enable others skilled in the art to which it apper'tains to make and use the same.

The present invention relates to a device for facilitating the removal of ball cups from wheelv hubs, and the like, and aims to provide a novel and improved device of the character which will enable such cups to be driven out of the hub in a convenient and facile manner.

A further obj ect is the provision of such a device comprising an arbor or spindle of novel form and having means whereby it can be effectively used for dislodging the ball cups from both the outer and inner ends of the hub, which are usually of dierent sizes.

With the foregoing and other objects in view, which will be apparent as the description proceeds, the invention resides in the construction and arrangement of parts hereinafter described and claimed, it being understood that changes can be made within the scope of what is claimed without departing from the spirit of the invention.

The invention is illustrated in the accompanying drawing, wherein Figure 1 is an elevation of the device as in use for removing the outer ball cup of a wheel hub, said hub and ball cups being shown in section.

Fig. 2 is an elevation of the device as in position for removing the inner ball cup, portions being broken away and shown in section.

The device comprises a driving arbor or spindle for insertion into and through the wheel hub 5, which has a ball bearing pocket or recess 6 at its inner end receiving a ball cup 7, as usual, which seats against the shoulder 8 provided with diametrically opposite notches 9. Said hub is similarly provided at its outer end with a pocket or recess 10 receiving a ball cup 11 which seats against the shoulder 12 having the opposite notches 13, and the ball cup at the outer end is usually smaller in diameter than the ball cup at the inner end of the hub, as shown, for which construction the present device is especially suited.

The arbor or spindle has a body portion 14 of a diameter to readily pass through the opening 15 of the ball cup 7, and the arbor q1s provided at one end of the portion 14 with plement, whereby the cup 11 can be readily dislodged from the recess 10. i

In order to drive out the inner ball cup 7, the arbor is reversed and inserted outwardly through the hub from the inner end, the stem 17 being of a diameter to readily pass through the opening 18 of the cup 11, which is of smaller size than the opening 15, and the portion 14 moving through the opening 15, as seen in Fig. 2. The body portion 14 has clutch means for engaging behind the ball cup 7, and for this purpose, said portion 14 has a diametrical opening or slot 19 in a plane longitudinally of the arbor, and in which are disposed a pair of dogs 20. Said opening or slot 19 and dogs 20 are located close to that end of the portion 14 adjacent to the stem 17, whereby the dogs enter the hub, as seen in Fig. 2. Said dogs are overlapped and pivoted, as at 21, within the as seen in Fig. 2, the dogs are forced into the opening 19as they pass through the ball cup 7 and shoulder 8. Then, when the dogs have moved past the shoulder 8, they swing apart behind the shoulder and by turning the arbor so that the dogs 20 register with the notches 8, the arbor can be shifted lbackwardly to bring the dogs into said notches, as seen in Fig. 2, against the` cup'7. Then,

by striking the stem 17, the cup 7 can be driven out of the pocket or recess 6. The distance between the tongue or means 16 for engaging the cup 1l and the dogs or means 20 for engaging the larger cup 7 is greater than the distance between the cups 7 and l1, so that when the implement is used in the position shown in Fig. l, the dogs 20 will not interfere with the operation, being located outside of the hub beyond the cup 7. The distance between the dogs 20 and the shoulder between the body portion let and stem 17 is lem than the distance between the cups 7 and 11, whereby said shoulder and dogs may be located between the cups7 as seen in Fig. 2, in using the implement for driving out the larger cup 7. q

rlhe implement is thus conveniently used in a simple manner for driving or removing the ball cups, both at the outer and inner ends or' wheel hubs, without the usual annoyance and trouble.

4Having thus described the invention, what is claimed as new is A device for driving Jfrom the opposite ends of a wheel hub ball cups of dierent sizes, comprising an arbor having a body portion of a size to pass through the larger cup but not through the smaller cup, said body portion having means at one end so `formed asV to abut the smaller cup from the inside, said arbor having a stem at the other end of the body portion adapted to be struck by a hammer or other tool ior driving the smaller cup from the hub, said stem being of reduced diameter to pass through the smaller cup7 and the arbor having a shoulder between said body portion and stem, and clutch means carried by the body portion to engage the larger cup from the inside of the hub with the stem inserted through the smaller' cup, said means being spaced apart sufficiently so that the clutch means is on the outside of the hub beyond the larger cup when the first named means abuts the smaller cup with the body portion extending through the larger cup, and said clutch means and shoulder being located sufliciently near one another to be disposed in the hub between the cups for the engagement of the clutch means with the larger cup.

In testimony whereof l have signed my name to this specification in the presence of two subscribing witnesses.

' EDWIN L. KNAPP.

Witnesses:

EARL LovnLL, W. J. MATTICE. 

